shell脚本自动修复mysql损坏的表

脚本专栏 2024/12/23 佚名

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问题描述：最近查看mysql数据库服务器日志，老发现有表损坏的错误日志，比如：120724 7:30:48 [ERROR] /data/soft/mysql/libexec/mysqld: Table './blog/wp_links' is marked as crashed and last (automatic"htmlcode">

#!/bin/sh  
 
DB_USER="root" 
DB_PASS="123456" 
DB_NAME="blog" 
LOG_PATH="/data/db/errlog.log" 
TIME=`date +%Y-%m-%d" "%H:%M:%S`  
TABLES=`/usr/bin/awk '/'"repair failed"'/ {print $6}' $LOG_PATH | sort -k1n | uniq -c | awk -F "'" '{print $2}' | awk -F '/' '{print $3}'`  
 
if [ -n "$TABLES" ]  
then  
  for i in `/usr/bin/awk '/'"repair failed"'/ {print $6}' $LOG_PATH | sort -k1n | uniq -c | awk -F "'" '{print $2}' | awk -F '/' '{print $3}'`  
  do 
    /data/soft/mysql/bin/mysql -u$DB_USER -p$DB_PASS $DB_NAME -e "repair TABLE $i" > repair_$i  
    if grep "OK" repair_$i >/dev/null 
    then  
      echo "$TIME repair TABLES $i successful!" 
    else 
      echo "$TIME repair TABLES $i Failed!" 
    fi  
    rm -rf repair_$i  
  done  
else 
  echo "There is no need to repair the table!" 
fi  
:>$LOG_PATH